private static void EmitBranch(AILEmitterCtx Context, OpCode ILOp)
{
AOpCodeBImm Op = (AOpCodeBImm)Context.CurrOp;
if (Context.CurrBlock.Next != null &&
Context.CurrBlock.Branch != null)
{
Context.Emit(ILOp, Context.GetLabel(Op.Imm));
}
else
{
Context.EmitStoreState();
AILLabel LblTaken = new AILLabel();
Context.Emit(ILOp, LblTaken);
Context.EmitLdc_I8(Op.Position + 4);
Context.Emit(OpCodes.Ret);
Context.MarkLabel(LblTaken);
Context.EmitLdc_I8(Op.Imm);
Context.Emit(OpCodes.Ret);
}
}
private static void EmitCb(AILEmitterCtx Context, OpCode ILOp)
{
AOpCodeBImmCmp Op = (AOpCodeBImmCmp)Context.CurrOp;
Context.EmitLdintzr(Op.Rt);
Context.EmitLdc_I(0);
Context.Emit(ILOp, Context.GetLabel(Op.Imm));
}
private static void EmitTb(AILEmitterCtx Context, OpCode ILOp)
{
AOpCodeBImmTest Op = (AOpCodeBImmTest)Context.CurrOp;
Context.EmitLdintzr(Op.Rt);
Context.EmitLdc_I(1L << Op.Pos);
Context.Emit(OpCodes.And);
Context.EmitLdc_I(0);
Context.Emit(ILOp, Context.GetLabel(Op.Imm));
}
public static void B(AILEmitterCtx Context)
{
AOpCodeBImmAl Op = (AOpCodeBImmAl)Context.CurrOp;
if (Context.CurrBlock.Branch != null)
{
Context.Emit(OpCodes.Br, Context.GetLabel(Op.Imm));
}
else
{
Context.EmitStoreState();
Context.EmitLdc_I8(Op.Imm);
Context.Emit(OpCodes.Ret);
}
}
private ATranslatedSub TranslateSubroutine(AMemory Memory, long Position)
{
(ABlock[] Graph, ABlock Root)Cfg = ADecoder.DecodeSubroutine(this, Memory, Position);
string SubName = SymbolTable.GetOrAdd(Position, $"Sub{Position:x16}");
PropagateName(Cfg.Graph, SubName);
AILEmitterCtx Context = new AILEmitterCtx(
this,
Cfg.Graph,
Cfg.Root,
SubName);
if (Context.CurrBlock.Position != Position)
{
Context.Emit(OpCodes.Br, Context.GetLabel(Position));
}
do
{
Context.EmitOpCode();
}while (Context.AdvanceOpCode());
//Mark all methods that calls this method for ReJiting,
//since we can now call it directly which is faster.
foreach (ATranslatedSub TS in CachedSubs.Values)
{
if (TS.SubCalls.Contains(Position))
{
TS.MarkForReJit();
}
}
ATranslatedSub Subroutine = Context.GetSubroutine();
CachedSubs.AddOrUpdate(Position, Subroutine, (Key, OldVal) => Subroutine);
return(Subroutine);
}
private void TranslateTier1(AThreadState State, AMemory Memory, long Position)
{
(ABlock[] Graph, ABlock Root)Cfg = ADecoder.DecodeSubroutine(State, this, Memory, Position);
string SubName = GetSubName(Position);
PropagateName(Cfg.Graph, SubName);
AILEmitterCtx Context = new AILEmitterCtx(this, Cfg.Graph, Cfg.Root, SubName);
if (Context.CurrBlock.Position != Position)
{
Context.Emit(OpCodes.Br, Context.GetLabel(Position));
}
do
{
Context.EmitOpCode();
}while (Context.AdvanceOpCode());
//Mark all methods that calls this method for ReJiting,
//since we can now call it directly which is faster.
if (CachedSubs.TryGetValue(Position, out ATranslatedSub OldSub))
{
foreach (long CallerPos in OldSub.GetCallerPositions())
{
if (CachedSubs.TryGetValue(Position, out ATranslatedSub CallerSub))
{
CallerSub.MarkForReJit();
}
}
}
ATranslatedSub Subroutine = Context.GetSubroutine();
Subroutine.SetType(ATranslatedSubType.SubTier1);
CachedSubs.AddOrUpdate(Position, Subroutine, (Key, OldVal) => Subroutine);
}
private ATranslatedSub TranslateSubroutine(long Position)
{
(ABlock[] Graph, ABlock Root)Cfg = ADecoder.DecodeSubroutine(this, Position);
AILEmitterCtx Context = new AILEmitterCtx(
this,
Cfg.Graph,
Cfg.Root);
if (Context.CurrBlock.Position != Position)
{
Context.Emit(OpCodes.Br, Context.GetLabel(Position));
}
do
{
Context.EmitOpCode();
}while (Context.AdvanceOpCode());
//Mark all methods that calls this method for ReJiting,
//since we can now call it directly which is faster.
foreach (ATranslatedSub TS in CachedSubs.Values)
{
if (TS.SubCalls.Contains(Position))
{
TS.MarkForReJit();
}
}
ATranslatedSub Subroutine = Context.GetSubroutine();
if (!CachedSubs.TryAdd(Position, Subroutine))
{
CachedSubs[Position] = Subroutine;
}
return(Subroutine);
}
public static void B(AILEmitterCtx Context)
{
AOpCodeBImmAl Op = (AOpCodeBImmAl)Context.CurrOp;
Context.Emit(OpCodes.Br, Context.GetLabel(Op.Imm));
}
public static void B_Cond(AILEmitterCtx Context)
{
AOpCodeBImmCond Op = (AOpCodeBImmCond)Context.CurrOp;
Context.EmitCondBranch(Context.GetLabel(Op.Imm), Op.Cond);
}